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[NET]: Fix skb fclone error path handling. 

On the error path if we allocated an fclone then we will free it in
the wrong pool.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Herbert Xu 2006-01-23 16:32:45 -08:00 committed by David S. Miller
parent 40727198bf
commit 8798b3fb71
1 changed files with 5 additions and 3 deletions
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8
net/core/skbuff.c
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@ -135,13 +135,15 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
int fclone)
{
kmem_cache_t *cache;
struct skb_shared_info *shinfo;
struct sk_buff *skb;
u8 *data;
cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
/* Get the HEAD */
skb = kmem_cache_alloc(fclone ? skbuff_fclone_cache : skbuff_head_cache,
gfp_mask & ~__GFP_DMA);
skb = kmem_cache_alloc(cache, gfp_mask & ~__GFP_DMA);
if (!skb)
goto out;
@ -180,7 +182,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
out:
return skb;
nodata:
kmem_cache_free(skbuff_head_cache, skb);
kmem_cache_free(cache, skb);
skb = NULL;
goto out;
}